<!DOCTYPE html>
<style>
body {
    height: 500px;
    position: relative;
}

.container {
    position: absolute;
    top: 0;
    bottom: 0;
}

.a, .b {
    position: absolute;
    bottom: 0;
}

.a {
    top: 0;
}

.b {
    top: 100%;
}

.b * {
    height: 100%;
}
</style>
<script src="../../resources/check-layout.js"></script>
<body>
<div>crbug.com/468521: When a positioned container changes height and has percent height descedants ensure its children get a layout.</div>
<div id="console"></div>
<div class="container">
    <div class="a" data-expected-height=350></div>
    <div class="b">
        <div>
            <img></img>
        </div>
    </div>
</div>
</body>
<script>
    if (window.testRunner)
        testRunner.waitUntilDone();
    function runTest() {
        document.querySelector('.container').style.bottom = '150px';
        checkLayout('.a', document.getElementById('console'));
        if (window.testRunner)
            testRunner.notifyDone();
    }
    window.onload=function(){
        setTimeout(function() { runTest(); }, 0);
    }
</script>
